From 2dfa1ca0f221819b86bea0229d023d8f6f722dae Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Fri, 21 Sep 2018 11:45:04 -0400
Subject: [PATCH] check RouterInfo's timestamp in SessionConfirmed

---
 libi2pd/NTCP2.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libi2pd/NTCP2.cpp b/libi2pd/NTCP2.cpp
index 0fc6e16d..1e617a8a 100644
--- a/libi2pd/NTCP2.cpp
+++ b/libi2pd/NTCP2.cpp
@@ -709,6 +709,12 @@ namespace transport
 						SendTerminationAndTerminate (eNTCP2RouterInfoSignatureVerificationFail);							
 						return;
 					}
+					if (i2p::util::GetMillisecondsSinceEpoch () > ri.GetTimestamp () + i2p::data::NETDB_MIN_EXPIRATION_TIMEOUT*1000LL) // 90 minutes
+					{
+						LogPrint (eLogError, "NTCP2: RouterInfo is too old in SessionConfirmed");	
+						SendTerminationAndTerminate (eNTCP2Message3Error);							
+						return;
+					}
 					auto addr = ri.GetNTCP2Address (false); // any NTCP2 address
 					if (!addr)
 					{